Home Six West Virginia landmarks added to the National Register of Historic Places Pennsylvania Sinclair Cornerstone

Pennsylvania Sinclair Cornerstone

The Sinclair The cornerstone was part of a project to resurvey and permanently delineate the Mason Dixon Line in 1883-1885 conducted by surveyor Cephas Sinclair.

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West Virginia Explorer Webzine is an online publication that celebrates the Mountain State's rich culture and natural beauty. Readers enjoy travel tips, hidden gems, outdoor adventures, local lore, and community news. For more than a quarter century, we've been the No. 1 trusted guide for exploring West Virginia.

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